A smoothly running automobile is one of life’s delights; it enables you to get where you need to get, on time, with great reliability, and for the most part, you get there in style, with music playing, air conditioning keeping you comfortable, and GPS guiding your path. We tend to take cars for granted in the developed world, treating them as one of life’s constants, a resource that is always available. We plan our life’s projects with the assumption that of course a car will be part of our environment. But when your car breaks down, your life is seriously disrupted. Unless you are a serious car buff with technical training you confront your dependence on a web of tow-truck operators, mechanics, car dealers, and much more. At some point, you decide to trade in your increasingly unreliable car and start afresh with a brand new model. Life goes on, with hardly a ripple